Stihl engine series 1102 · VT

BLK

Displacement≈90 cc

Guide bar18–24″

Chain.404″ (≈)

Production1954–1973

Chains & bars that fit the BLK

Pitch & gauge .404″ (≈) · recommended bar 18–24″ · round file 7/32" (5.5 mm)

Replacement chain → Guide bar →

Files, oil & sharpening

Round file 7/32" (5.5 mm) → Bar & chain oil → 2-in-1 sharpener →

Suggested match: Oregon 27/59-series. Confirm the drive-link count for your exact bar length before ordering. Genuine STIHL chain isn't sold online — these are equivalent aftermarket (Oregon) specs.

Some links earn us a commission. It never changes the specs or what we recommend.

Models in this family (1)

Model	Years	Market	Rarity	Notes
BLK	1954–73	EU	Rare	Extended production run

Data confidence

Provenance for this family's figures — verify anything tagged estimated, approx, or stale-risk against STIHL spec sheets.

displacement · approxbar real-world · estimatedchain · estimateddates · sourcedvariants · sourced